What is the right way to conjugate two acids?

How to conjugate two acids with amine linker?

18 February 2021 4,083 2 View

What is the critical deficiency limit in soil for Mn in wheat crop ? in terms of DTPA extractable Mn?

critical range for Mn in soils is 2.5-4.5 ppm for all plants as an average, but what is the exact amount of DTPA extractable Mn in soil for wheat crop

04 February 2021 4,008 4 View

Which solvent is suitable for product precipitation if reaction has been performed in toluene?

If condensation reaction happened between carboxylic acid and amine and amide is formed. The solvent for this reaction is toluene. After completion of reaction, how to collect product? It should...

03 February 2021 9,796 3 View

Why does the ghost atoms gives error in NICS calculation with wb97xd in gaussian09 ?

In a trial, I am trying to calculate NICS (0 and 1) values for benzene ring using gaussian09. I have placed the ghost atoms at the center, 1A, and 2A above the rings. On using the method/basis...

19 January 2021 3,188 3 View

Any researchers working on Mucuna pruriens with respect to tissue culture?

15 November 2020 8,675 1 View

Name of Journal UGC approved journal in the field of management ?

Hi, I need some reference of Journals which have monthly publication, in the filed of customer care/ luxury segment /consumer insights /CRM 1) Scopus index 2) UGC approved journal - India...

22 October 2020 7,769 3 View

Why my absorbance values are in negative for antioxidant assay by dpph method ?

plant extract stock is 10 mg/mL from which I pipetted 20, 40, 60, 80, 100, 200 uL and made up to 3 mL using methanol then i added 1 ml of 0.004% dpph solution (dissolved in methanol) incubated in...

02 September 2020 1,218 2 View

How to linearize a phase shifter?

Hi, I have a phase shifter design that produces phase shift with applied voltage, which follows a function that could be very closely approximated by a second order polynomial. However, the...

11 July 2020 8,967 2 View

Heterogeneity in a meta-analysis?

At what level, one should accept heterogeneity in a meta-analysis. What are possible calculation/test, if we get heterogeneity.

01 June 2020 9,396 6 View

Salicylic acid is poorly soluble in water, I dissolved in 65% ethanol but it is forming precipitation on storage. What to do? Which solvent is best?

It dissolved in 60-65% ethanol but after few hours if storage at 4 degree Celsius it is forming precipitation

19 January 2020 5,092 9 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How to consider effects of rapid warm adaptation in modeling of ecological impacts of warming?

I would highly appreciate it if my fellow ecologists (biologists) provide their opinion on the thoughts below [esp., shortly tell us which path may be more effective, if they know another way, if...

15 February 2021 3,642 6 View

Matrix based scientific data analysis: extrapolating to matrices of sets?

Data sets, when structured, can be put in vector form (v(1)...v(n)), adding time dependency it's v(i, t) for i=1...n and t=1...T. Then we have a matrix of terms v(i, j)... Matrices are important,...

30 January 2021 9,295 6 View

How did the tests or exams get to Latin America, specifically the written tests?

I am looking for some bibliographic references that explain how tests or exams (measurement and assessment in education) came to Latin America, specifically written tests. I would like to know if...

13 January 2021 8,607 0 View

Why does Reaction Wood acts opposite in gymnosperm and angiosperms?

I am wondering why the Gymnosperms have an opposite behaviour that Angiosperms in the Reaction Wood (RW). Are there some new findings regarding that? Studies say that causal agents can be the...

10 January 2021 8,744 4 View

Is it indispensable to receive a vaccine by the COVID-19 recovered person?

Is it indispensable to receive a vaccine by the COVID-19 recovered person?

22 December 2020 5,883 5 View

How to extract the different components at a specific frequency between two spectra?

Dear everyone: Hello! Sorry that my question may take up your valuable time. Recently I have a technical problem in the data processing. We have conducted a series of wind tunnel tests in order...

18 December 2020 8,847 2 View

How to select number of features selected from DWT decomposition ?

Dear community , currently working on emotions recognition , as a first step I'm trying to extract features , I was checking some recources , I found that they used the SEED dataset , it contains...

13 December 2020 9,364 6 View

How pH will effect the overpotential for a reaction like OER,ORR etc?

From a theoretical perspective, when we study the electrocatalytic efficiency of a modeled catalyst, we calculate its overpotential. Here the contribution of pH to energy change for each reaction...

08 December 2020 8,726 3 View